LAB ASSIGNMENTS IMPORTANT: you need to complete the PDP thinking process for each program. 1) web_scraping1.py - write a program to download a .txt file from online, open and read the file, and then display the output. Note: you do NOT have to display the whole file or write to a .txt file (optional). Step 1 - find a .txt file online to work with. One we have not used previously. The example program downloads, opens and reads a file, hosted at this address: https://www.w3.org/TR/PNG/iso 8859-1.txt You need to use a different .txt file. Hex Description SPACE 190 200 20 21 EXCLAMATION MARK 22 QUOTATION MARK 23 24 25 The following are the graphical (non-control) characters defined by ISO 8859-1 (1987). Descriptions in words aren't all that helpful, but they're the best we can do in text. A graphics file illustrating the character set should be available from the same archive as this file. NUMBER SIGN DOLLAR SIGN PERCENT SIGN AMPERSAND Hex Description OZT BROKEN PAR OTT Al INVERTED EXCLAMATION MARK CENT SIGN A2 A3 POUND SIGN A4 CURRENCY SIGN A5 YEN SIGN 2 C 08

LAB ASSIGNMENTS IMPORTANT: you need to complete the PDP thinking process for each program. 1) web_scraping1.py - write a program to download a .txt file from online, open and read the file, and then display the output. Note: you do NOT have to display the whole file or write to a .txt file (optional). Step 1 - find a .txt file online to work with. One we have not used previously. The example program downloads, opens and reads a file, hosted at this address: https://www.w3.org/TR/PNG/iso 8859-1.txt You need to use a different .txt file. Hex Description SPACE 190 200 20 21 EXCLAMATION MARK 22 QUOTATION MARK 23 24 25 The following are the graphical (non-control) characters defined by ISO 8859-1 (1987). Descriptions in words aren't all that helpful, but they're the best we can do in text. A graphics file illustrating the character set should be available from the same archive as this file. NUMBER SIGN DOLLAR SIGN PERCENT SIGN AMPERSAND Hex Description OZT BROKEN PAR OTT Al INVERTED EXCLAMATION MARK CENT SIGN A2 A3 POUND SIGN A4 CURRENCY SIGN A5 YEN SIGN 2 C 08

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Add the ability to convert an entire message into Morse code, as well as the ability to handle a data file comprising numerous entries. Change your input validation code so that the user has an infinite number of opportunities to enter valid responses. Your program should run until the user selects the "quit" option from your menu. Add a menu option to provide the user the option of processing a data file. Add another way to exit the program. When your software starts, the menu should be the first item that appears. The menu format should be the same as in the Sample Output. Allow the user to make more menu selections until they select the option to exit. Before soliciting the user for a menu selection, always show the menu. Handle an incorrect menu option correctly. The user should have an infinite number of opportunities to enter a valid menu option. Validate the user's input for the number of words sent so that numbers less than one are not accepted. Allow the user an unlimited…
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Lab Tasks – complete these Use the information provided here, in the slideshow and in chapter 12 of our text to do the following exercise. Step 1: On the desktop or wherever you will be saving your java program, use notepador other basic text editor (NOT WORD) to create a .txt file. In this file, type out a list of 10 integers (one on each line or with a space between each). Save. Do this manually. Not with Java. Step 2. Now write a program with the following: 1) In the program creating a File object that connects to the .txt file that you just created. 2) Add code that will check if the file exists and if it doesn’t, it will create it. (Yes, we know it definitely exists but do this part anyway.) 3) Set up a Scanner so that you can read the values from the file and print them to the screen using a loop. You will probably need to use the .hasNext() method. Also, you may want to set up a counter to keep track of how many values there are for future use. (Note that the .length()…
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